Round|Natural|IGI

1.68ct M SI1 Round Natural Diamond

EX • M/SI1 • IGI 587305957

Shape and cutting style on the report: Round brilliant

Certificate IGI 587305957

Diamond specifications and retailer prices

From $3,230 SGD
As of November 5, 2026
Save $3,583 SGD (53%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,813 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.68ct natural round diamond

This 1.68ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 587305957. Listed at 9 retailers as of November 5, 2026, with prices from $3,230 to $6,813, a $3,583 spread on the same certified stone. NZ Jewellers lists it at $6,813. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.68
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 587305957
Dimensions7.57 × 7.63 × 4.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.57 mm7.63 mm1.68 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 587305957
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $6,813 SGD|Low: $2,899 SGD|High: $6,813 SGD|Avg: $3,792 SGD|+1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$2,899 SGD
Retailer 3$2,991 SGD
Retailer 8$3,230 SGD
Retailer 7$3,259 SGD
Retailer 10$3,259 SGD
Retailer 9$3,409 SGD
Retailer 2$3,547 SGD
Retailer 6$3,760 SGD
Retailer 4$3,977 SGD
Retailer 5$4,043 SGD
NZ Jewellers$6,813 SGD

40 data points across 11 retailers

9 retailers$3,230 SGD to $6,813 SGD

A
Cheapest Retailer
-
$3,230 SGD
A
Retailer 2
-
$3,259 SGD
View
Retailer 3
-
$3,259 SGD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$3,409 SGD
View
A
Retailer 5
-
$3,547 SGD
View
B+
Retailer 6
-
$3,760 SGD
View
B+
Retailer 7
-
$3,977 SGD
View
B+
Retailer 8
-
$4,043 SGD
View
Most Expensive
B
NZ Jewellers
30d04372-2935-4b9d-9ee4-2c92503d828d · Nov 5
$6,813 SGD
$5,316 USD
View
8 more retailers have this diamond
Prices start from $3,230 SGDSave up to $3,583 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.68ct Round
$3,230 SGD